Handsfree call and high-quality sound Bluetooth earphones use Bluetooth 5.1 chip technology, which can provide clearer sound and stable connection, allowing you to hear crystal clear phone calls, just like you communicate face-to-face with others. Don't worry about interrupting while recording music and making calls. LED charging box and 80 hours of playback time Built in 500mAh battery LED charging box, Bluetooth earphones with microphone can be fully charged within 1.5H. This earphone can be used continuously for about 80 hours, comes with a charging box, and also provides 5-6 charging times for wireless headphones. In ear comfortable wearing design The in ear design is suitable for more comfortable left or right ears. The ear hook can rotate 180 degrees vertically and 360 degrees horizontally, and the flexible ear hook ensures comfortable wearing. It is lightweight and comfortable, and can be worn for hours.[Mute function and active voice assistant] This Bluetooth headset supports voice assistant. Built in microphone, you can also answer or reject calls and mute on Bluetooth headphones. Simply press the mute button to easily mute or unmute.Two charging methods and connecting two devices: You can use the TYPE-C charging cable or charging box to charge Bluetooth headphones. Can connect 2 devices simultaneously, allowing you to live and work separately. Perfect for office environments and driving. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.